What happened?

I want to add custom icon for widgets but no config can do this.

This following features for widgets are needed:

1. custom icon
2. make icon invisible

Hugo version

0.143.0

Theme version

3.30.0

What browsers are you seeing the problem on?

No response

More information about the browser

No response

Relevant log output

Link to Minimal Reproducible Example

https://demo.stack.jimmycai.com/